import serial

# Configure the serial port
port = '/dev/ttyS2'  # Replace with the appropriate serial port
baud_rate = 9600  # Replace with the desired baud rate
ser = serial.Serial(port, baud_rate)

while True:
    # Read data from the serial port
    data_received = ser.readline().decode().strip()
    print('Received data:', data_received)

    # Check if specific event occurred
    if data_received == 'Hello, serial device!':
        # Write data back to the serial port
        data_to_send = 'Hello'
        ser.write(data_to_send.encode())

# Close the serial port
ser.close()